Granted Patent
Utility
US 4,302,383 · App. 06/150,878
Stabilized olefin polymers
Inventors:
Leo L. Valdiserri, Elyse M. Bullock
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: May 19, 1980
Inventors
Leo L. Valdiserri
Elyse M. Bullock
Assignee (at issue)
Borg-Warner Chemicals, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.